253570380 has 48 divisors (see below), whose sum is σ = 811426560. Its totient is φ = 57958848.

The previous prime is 253570379. The next prime is 253570393. The reversal of 253570380 is 83075352.

It is a super-2 number, since 2×253570380² = 128595875226688800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301450 + ... + 302289.

It is an arithmetic number, because the mean of its divisors is an integer number (16904720).

Almost surely, 2^253570380 is an apocalyptic number.

253570380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253570380 is an abundant number, since it is smaller than the sum of its proper divisors (557856180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253570380 is a wasteful number, since it uses less digits than its factorization.

253570380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603758 (or 603756 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 253570380 is about 15923.8933681434. The cubic root of 253570380 is about 632.9452919983.

The spelling of 253570380 in words is "two hundred fifty-three million, five hundred seventy thousand, three hundred eighty".